摘要
<正>You may have already seen them in restaurants:robots that greet guests,show them to their tables and deliver2 their meals.你可能已经在餐馆里见过它们:会招呼客人,带他们到餐桌前,还会端菜的机器人。Sales of robot waiters have been growing in these years.Tens of thousands are now working all over the world.But are robot waiters the future?近年来,机器人服务员的销售额一直在增长。数以万计的机器人现在正在世界各地工作。但机器人服务员是未来所趋吗?